1. “Disease Detectives” The Spread of Diseases

2. Spread Person to person; animal to person. Through the air – coughing/sneezing; body contact; money; food/drink; cuts in skin.

3. Infectious Diseases Communicable; Contagious. Pathogens that can be spread to other people. Examples: Common cold, Flu, Strep throat, Athlete’s foot.

4. Non-Infectious Diseases Genetic/DNA. Can NOT be spread/transmitted to other people. Are passed between parents and offspring. Examples: Cystic fibrosis; Sickle cell anemia, Huntington’s disease.

5. Vectors Animals/insects that transmit diseases to humans through bodily contact. Examples: – Mosquitoes & West Nile Virus – Ticks & Lyme disease – Fleas & Bubonic plague

6. Carriers An infected person that does NOT show any signs or symptoms of the disease, yet they can spread it to other people. Example: – Typhoid Mary

7. Epidemic A widespread outbreak of infectious disease over a whole region. Examples: – 2009 H1N1 Flu epidemic – 1300’s Black Death/Bubonic Plague

8. Pandemic A worldwide outbreak of infectious disease/ affects many continents. Usually world-wide travel. Examples: – 1918 Influenza Pandemic (World War I).